Oenothera Tetraptera Leaf Extract: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
Share:
Inside this article:

We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Oenothera Tetraptera Leaf Extract?

Oenothera Tetraptera Leaf Extract comes from the leaves of Oenothera tetraptera, a white flowering evening primrose native to parts of North and South America. The leaves are rich in sugars, flavonoids and soothing polysaccharides that help bind water to the skin. Indigenous communities brewed the plant as a calming tea for skin discomfort, and that folk use inspired modern formulators to explore its topical benefits. Today the leaves are harvested, dried and steeped in a water or glycerin base, then gently filtered to create a concentrated extract suitable for cosmetics. Because the process relies on relatively low temperatures and food grade solvents, most of the plant’s naturally calming compounds remain intact. You will spot this extract in hydrating sheet masks, lightweight moisturizers, after-sun gels, soothing toners and any formula aimed at comforting sensitive or stressed skin.

Oenothera Tetraptera Leaf Extract’s Cosmetic Benefits/Uses

This extract is prized for one primary role in skin care formulations.

As a skin conditioning ingredient it helps soften and smooth the surface of the skin while boosting moisture retention. The natural sugars form a light film that reduces water loss so skin feels fresher and looks plumper. Its mild flavonoids also lend a calming touch which makes products feel more comforting when applied to redness prone or freshly exfoliated skin.

Who Can Use Oenothera Tetraptera Leaf Extract

This gentle leaf extract suits most skin types including dry, sensitive, balanced and oily because it delivers water-binding sugars without a heavy or greasy feel. Those with very reactive or allergy-prone skin may still appreciate its calming nature, though they should keep an eye on the full ingredient list of the finished product.

The extract is plant derived so it is considered suitable for vegetarians and vegans, provided the rest of the formula is free of animal-based additives such as beeswax or collagen.

No current research links topical use of Oenothera Tetraptera Leaf Extract to issues during pregnancy or while breastfeeding. That said this information is not medical advice and anyone who is pregnant or nursing should run new skincare products past a qualified doctor just to be safe.

Unlike ingredients such as alpha hydroxy acids or retinoids, this extract is not known to cause photosensitivity. Normal sun protection practices are still recommended as part of a daily routine.

Potential Side Effects/Adverse Reactions

Responses to Oenothera Tetraptera Leaf Extract can differ from one individual to another. The effects listed below are only potential concerns and are unlikely for most users when products are formulated and used correctly.

  • Mild redness or transient stinging on freshly exfoliated or compromised skin
  • Allergic contact dermatitis in people sensitive to members of the Onagraceae plant family
  • Rare cross-reactive itching or hives when combined with other botanical extracts that share similar flavonoids

If any of these reactions occur discontinue use and consult a healthcare professional if symptoms persist.

Comedogenic Rating

Rating: 0 out of 5. Oenothera Tetraptera Leaf Extract is mainly composed of water-soluble sugars, calming flavonoids and polysaccharides without any heavy oils or waxes that tend to clog pores. Because it is lightweight and leaves no greasy film, it is considered non-comedogenic. This makes the extract generally friendly for acne-prone or breakout-prone skin. No data suggest it worsens blackheads or whiteheads even when used daily. One point to keep in mind is that comedogenicity also depends on the full product formula, so rich creams that include the extract alongside pore-clogging oils may still trigger breakouts.

Summary

Oenothera Tetraptera Leaf Extract conditions the skin by binding water to the surface, softening rough patches and adding a quick sense of comfort thanks to its natural sugars and soothing flavonoids. It is not a headline ingredient the way hyaluronic acid or niacinamide is, yet formulators appreciate its gentle nature so you will find it tucked into hydrating masks, toners and light moisturizers aimed at sensitive or dehydrated skin. Current research shows a very low risk of irritation or pore clogging when used as directed, so most people can enjoy its benefits with confidence. As with any new skincare product, a small patch test helps spot rare sensitivities before applying it to the full face.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search